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GeoGebra
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勾股定理证明
Author:
万超杰
GeoGebra
New Resources
柱體建築師
GeoGebra笔记功能体验课件
第八周作业
找出對稱軸
四邊形的特性
Discover Resources
simple arena
中一︰全等圖形（平移、旋轉、反射）
異分母分數加減
四角錐體(二)
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Discover Topics
Piecewise Functions
Line Segment
Reflection
Arithmetic
Curve Sketching